APA استشهاد

Bradley, J. P. (1971). International dictionary of thoughts. J.G.Ferguson.

استشهاد بنمط شيكاغو

Bradley, John P. International Dictionary of Thoughts. Chicago: J.G.Ferguson, 1971.

MLA استشهاد

Bradley, John P. International Dictionary of Thoughts. J.G.Ferguson, 1971.